atomic motion (VIDEO) University of Texas at Austin This video is under embargo. Please login to access this video. Caption A clip from a scientific model showing how iron atoms are expected to move about in the Earth’s inner core over 10 picoseconds. The lines represent the path of the atom as it moves over time. The model is based on an AI algorithm accounting for tens of thousands atoms. One picosecond is one trillionth of a second. Credit Credit: Zhang et al. Usage Restrictions include credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.